package com.ruoyi.system.service.impl;

import com.ruoyi.common.core.constant.UserConstants;
import com.ruoyi.common.core.exception.ServiceException;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.common.core.utils.uuid.Seq;
import com.ruoyi.common.security.utils.DictUtils;
import com.ruoyi.common.security.utils.SecurityUtils;
import com.ruoyi.system.api.domain.SysDictData;
import com.ruoyi.system.api.domain.SysDictType;
import com.ruoyi.system.mapper.SysOrgDictDataMapper;
import com.ruoyi.system.mapper.SysOrgDictTypeMapper;
import com.ruoyi.system.service.ISysOrgDictTypeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.PostConstruct;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * 字典 业务层处理
 *
 * @author ruoyi
 */
@Service
public class SysOrgDictTypeServiceImpl implements ISysOrgDictTypeService {

    @Autowired
    private SysOrgDictTypeMapper orgDictTypeMapper;

    @Autowired
    private SysOrgDictDataMapper orgDictDataMapper;

    /**
     * 项目启动时，初始化字典到缓存
     */
    @PostConstruct
    public void init() {
        loadingDictCache();
    }

    /**
     * 根据条件分页查询字典类型
     *
     * @param dictType 字典类型信息
     * @return 字典类型集合信息
     */
    @Override
    public List<SysDictType> selectDictTypeList(SysDictType dictType) {
        return orgDictTypeMapper.selectDictTypeList(dictType);
    }

    /**
     * 根据所有字典类型
     *
     * @return 字典类型集合信息
     */
    @Override
    public List<SysDictType> selectDictTypeAll() {
        return orgDictTypeMapper.selectDictTypeAll();
    }

    /**
     * 根据字典类型查询字典数据
     *
     * @param dictType 字典类型
     * @return 字典数据集合信息
     */
    @Override
    public List<SysDictData> selectDictDataByType(String dictType) {
        List<SysDictData> dictDatas = DictUtils.getDictCacheOrg(dictType, SecurityUtils.getOrgId());
        if (StringUtils.isNotEmpty(dictDatas)) {
            return dictDatas;
        }
        dictDatas = orgDictDataMapper.selectDictDataByType(dictType);
        if (StringUtils.isNotEmpty(dictDatas)) {
            DictUtils.setDictCacheOrg(dictType, SecurityUtils.getOrgId(), dictDatas);
            return dictDatas;
        }
        return null;
    }

    /**
     * 根据字典类型ID查询信息
     *
     * @param dictId 字典类型ID
     * @return 字典类型
     */
    @Override
    public SysDictType selectDictTypeById(Long dictId) {
        return orgDictTypeMapper.selectDictTypeById(dictId);
    }

    /**
     * 根据字典类型查询信息
     *
     * @param dictType 字典类型
     * @return 字典类型
     */
    @Override
    public SysDictType selectDictTypeByType(String dictType) {
        return orgDictTypeMapper.selectDictTypeByType(dictType);
    }

    /**
     * 批量删除字典类型信息
     *
     * @param dictIds 需要删除的字典ID
     */
    @Override
    public void deleteDictTypeByIds(Long[] dictIds) {
        for (Long dictId : dictIds) {
            SysDictType dictType = selectDictTypeById(dictId);
            if (orgDictDataMapper.countDictDataByType(dictType.getDictType()) > 0) {
                throw new ServiceException(String.format("%1$s已分配,不能删除", dictType.getDictName()));
            }
            orgDictTypeMapper.deleteDictTypeById(dictId);
            DictUtils.removeDictCacheOrg(dictType.getDictType(), SecurityUtils.getOrgId());
        }
    }

    /**
     * 加载字典缓存数据
     */
    @Override
    public void loadingDictCache() {
        SysDictData dictData = new SysDictData();
        dictData.setStatus("0");
        Map<String, List<SysDictData>> dictDataMap = orgDictDataMapper.selectCacheDictDataList(dictData).stream().collect(Collectors.groupingBy(data -> data.getDictType() + "φ" + data.getOrgId()));
        for (Map.Entry<String, List<SysDictData>> entry : dictDataMap.entrySet()) {
            DictUtils.setDictCacheOrg(entry.getKey().split("φ")[0], Long.parseLong(entry.getKey().split("φ")[1]), entry.getValue().stream().sorted(Comparator.comparing(SysDictData::getDictSort)).collect(Collectors.toList()));
        }
    }

    /**
     * 清空字典缓存数据
     */
    @Override
    public void clearDictCache() {
        DictUtils.clearDictCacheOrg();
    }

    /**
     * 重置字典缓存数据
     */
    @Override
    public void resetDictCache() {
        clearDictCache();
        loadingDictCache();
    }

    /**
     * 新增保存字典类型信息
     *
     * @param dict 字典类型信息
     * @return 结果
     */
    @Override
    public int insertDictType(SysDictType dict) {
        if (dict.getDictId() == null) {
            dict.setDictId(Seq.getSeqId());
        }
        dict.setOrgId(SecurityUtils.getOrgId());
        int row = orgDictTypeMapper.insertDictType(dict);
        if (row > 0) {
            DictUtils.setDictCacheOrg(dict.getDictType(), SecurityUtils.getOrgId(), null);
        }
        return row;
    }

    /**
     * 修改保存字典类型信息
     *
     * @param dict 字典类型信息
     * @return 结果
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public int updateDictType(SysDictType dict) {
        SysDictType oldDict = orgDictTypeMapper.selectDictTypeById(dict.getDictId());
        orgDictDataMapper.updateDictDataType(oldDict.getDictType(), dict.getDictType());
        int row = orgDictTypeMapper.updateDictType(dict);
        if (row > 0) {
            List<SysDictData> dictDatas = orgDictDataMapper.selectDictDataByType(dict.getDictType());
            DictUtils.setDictCacheOrg(dict.getDictType(), SecurityUtils.getOrgId(), dictDatas);
        }
        return row;
    }

    /**
     * 校验字典类型称是否唯一
     *
     * @param dict 字典类型
     * @return 结果
     */
    @Override
    public String checkDictTypeUnique(SysDictType dict) {
        Long dictId = dict.getDictId();
        SysDictType dictType = orgDictTypeMapper.checkDictTypeUnique(dict.getDictType());
        if (StringUtils.isNotNull(dictType)) {
            if (dictId == null) {
                return UserConstants.NOT_UNIQUE;
            } else if (dictType.getDictId().longValue() != dictId.longValue()) {
                return UserConstants.NOT_UNIQUE;
            }
        }
        return UserConstants.UNIQUE;
    }
}
